Finding the Fourth Proportional to 126,022.50, 173,911.86 and 69,434.28

Step by Step Solution

1. Step 1: Write the proportion equation
   126,022.50 : 173,911.86 = 69,434.28 : x
2. Step 2: Convert to fraction form
   126,022.50/173,911.86 = 69,434.28/x
3. Step 3: Cross multiply
   126,022.50x = 173,911.86 × 69,434.28
4. Step 4: Simplify right side
   126,022.50x = 12,075,444,782.56
5. Step 5: Solve for x
   x = 12,075,444,782.56/126,022.50
6. Step 6: Final answer
   x = 95,819.75